#include "aaa/inc/a.h"
#include "aaa/inc/aa/aa.h"
#include "aaa/inc/aa/aaa/aaa.h"
#include "3pt/bbb/inc/b.h"
#include "3pt/bbb/inc/bb/bb.h"
#include "3pt/sss/inc/s.h"

int main() {
    int n = 123;
    n = a(n);
    n = aa(n);
    n = aaa(n);
    n = b(n);
    n = bb(n);
    n = s(n);

    return n % 10 + 20;
}
